128718456

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{75539}}^1$

素因数の和:75619

約数の個数: 32

約数和(自身を含む): 326332800

約数和(自身を除く): 197614344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 75539, 151078, 226617, 302156, 453234, 604312, 906468, 1812936, 5363269, 10726538, 16089807, 21453076, 32179614, 42906152, 64359228, 128718456]

約数ペア:

[(1, 128718456), (2, 64359228), (3, 42906152), (4, 32179614), (6, 21453076), (8, 16089807), (12, 10726538), (24, 5363269), (71, 1812936), (142, 906468), (213, 604312), (284, 453234), (426, 302156), (568, 226617), (852, 151078), (1704, 75539)]